Demo & instructions
Crunch
Also known as: Abdominal Crunch, Floor Crunch, Basic Crunch
Instructions
Lying on your back with knees bent, you curl your shoulders a short way off the floor. A small, focused movement that works the front of the midsection directly and needs no equipment.
- Movement
- Trunk flexion
- Type
- Isolation
- Level
- Beginner
- Typical range
- 8–30 reps
Setup
- 1Lie on your back with your knees bent and feet flat on the floor, about hip-width apart.
- 2Cross your arms over your chest, or rest your fingertips lightly behind your ears.
- 3Let your lower back settle toward the floor and keep a fist-sized gap between chin and chest.
Execution
- 1Curl your ribs toward your hips so your head and shoulder blades peel off the floor.
- 2Pause at the top with your lower back still on the floor.
Target
Equipment
Equipment
Training use
Strength
Muscle building
Endurance
Conditioning
